Practice Questions

TLS Online TPP Program

#Question id: 1990

B cells interacting with helper T cells are stimulated to differentiate when

#Unit 4. Cell Communication and Cell Signaling

B cells produce IgE antibodies.
helper T cells release cytokines.
helper T cells present the class II MHC molecule-antigen complex on their surface.
helper T cells differentiate into cytotoxic T cells.

More Questions

#Question id: 1128

#Unit 4. Cell Communication and Cell Signaling

During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase b. activation of protein kinase A

c. activation of adenylyl cyclise d. activation of glycogen phosphorylase

#Question id: 12975

#Unit 10. Ecological Principles

#Question id: 3909

#Unit 3. Fundamental Processes

The template strand of DNA is copied by RNA polymerase from

#Question id: 1547

#Unit 4. Cell Communication and Cell Signaling

follicular dendritic cells (FDCs) secrete CXCL13 and its receptor, CXCR5, which is expressed on B cells, function of this interaction ?

#Question id: 8949

#Unit 9. Diversity of Life Forms